Tissue box



FIG. 1 is a perspective view of a tissue box;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof.

FIG. 6 is a left view thereof; and,

FIG. 7 is a right view thereof. 

The ornamental design for a tissue box, as shown and described. 